Whatman 1441-125

Jual Whatman Grade 41 diameter 125mm cat no : 1441-125 Grade 41 Quantitative Filter Paper Ashless ( Ash 0.007% ) , circle, 125 mm Complete Packsize 100 Pieces Grade Grade 41 Format Circles Type Ashless Typical Thickness 220 µ m Basis Weight 85 g/ m2 Filtration Speed ( Herzberg) 54 s Air Flow Rate 3.4 s/ 100 mL/ in2 Ash Content 0.007% 1) Tensile M/ D Dry 27.2 N/ 15 mm Material High-quality cotton linters Alpha Cellulose Content Min. 0.98 1) Ash is determined by ignition of the cellulose filter at 900° C in air.